Update version and changelog

Author: witcher112

Assets/PatchKit Patcher/Scripts/Version.cs

@@ -4,7 +4,7 @@ public static class Version
     {
         public const int Major = 3;
         public const int Minor = 17;
-        public const int Patch = 7;
+        public const int Patch = 8;
         public const int Hotfix = 0;
 
         public static string Value

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [3.17.8.0]
+### Fixed
+- Processing patched diff files
+
 ## [3.17.7.0]
 ### Added
 - Checking path length on Windows